{"id":4226,"date":"2025-02-04T10:43:28","date_gmt":"2025-02-04T10:43:28","guid":{"rendered":"https:\/\/1clickrepair.in\/ESS\/?post_type=product&p=4226"},"modified":"2026-10-28T10:35:06","modified_gmt":"2026-10-28T10:35:06","slug":"gfevt500-k-51e-high-speed-dc-fuse-500v","status":"publish","type":"product","link":"https:\/\/essfuse.com\/de\/product\/gfevt500-k-51e-high-speed-dc-fuse-500v\/","title":{"rendered":"High Speed DC Fuse\u2011GFEVT500\u2011K\u201151E Series Square\u2011Body Fuse,100A\u2011800A 500VDC,aR Class 50kA Breaking Capacity RoHS"},"content":{"rendered":"

GFEVT500-xxx KN-51E
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\nGFEVT500-xxx K-51E
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GFEVT500\u2011K\u201151E Series High\u2011Speed Fuse<\/strong> is size\u20111# square\u2011body fast\u2011acting high speed dc fuse<\/strong> for new\u2011energy DC equipment backup short\u2011circuit protection. aR performance class, rating 100A\u2011800A 500VDC, max 50kA interrupting capacity, time constant \u22643\u202fms. Two variants: K\u2011type with fuse blow indicator<\/strong> and KN\u2011type without indicator. Features low I\u00b2t, low watt\u2011loss, superior cycling capability, high vibration\u2011resistance \u226520g acceleration. RoHS compliant, REACH declaration available upon request. Widely deployed for battery pack, energy\u2011storage systems and DC\u2011relay backup protection.<\/p>\n

GFEVT500-K-51E-Series.-100-800A-500Vdc-fast-acting-fuse<\/a><\/p>\n

Product At A Glance<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Item<\/th>\nParameter<\/th>\n<\/tr>\n<\/thead>\n
Product Series<\/td>\nGFEVT500\u2011K\u201151E Series, Size\u20111# Square\u2011Body Fast\u2011Acting Fuse<\/td>\n<\/tr>\n
Current Range<\/td>\n100A\u2011800A<\/td>\n<\/tr>\n
Rated Voltage<\/td>\n500VDC<\/td>\n<\/tr>\n
Interrupting Capacity<\/td>\n50kA @500VDC; Minimum breaking current \u22653.0In<\/td>\n<\/tr>\n
Time Constant<\/td>\n\u22643\u202fms<\/td>\n<\/tr>\n
Performance Class<\/td>\naR (Semiconductor \/ power\u2011device backup short\u2011circuit protection)<\/td>\n<\/tr>\n
Variant Options<\/td>\nK\u2011type: with blow indicator; KN\u2011type: without blow indicator<\/td>\n<\/tr>\n
Standards Reference<\/td>\nUL 248.1, UL248.13; IEC 60269\u20111, IEC 60269\u20114<\/td>\n<\/tr>\n
Compliance<\/td>\nRoHS compliant, REACH declaration available upon request<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Model\u2011Specific Electrical Data @50kA 500VDC<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Part Number<\/th>\nRated Amps<\/th>\nMelting A\u00b2s<\/th>\nClearing A\u00b2s<\/th>\n100% Power Loss(W)<\/th>\n<\/tr>\n<\/thead>\n
GFEVT500\u2011100K\u201151E<\/td>\n100A<\/td>\n820<\/td>\n7370<\/td>\n23<\/td>\n<\/tr>\n
GFEVT500\u2011125K\u201151E<\/td>\n125A<\/td>\n1340<\/td>\n11910<\/td>\n28<\/td>\n<\/tr>\n
GFEVT500\u2011160K\u201151E<\/td>\n160A<\/td>\n2410<\/td>\n21550<\/td>\n35<\/td>\n<\/tr>\n
GFEVT500\u2011200K\u201151E<\/td>\n200A<\/td>\n3030<\/td>\n26910<\/td>\n38<\/td>\n<\/tr>\n
GFEVT500\u2011250K\u201151E<\/td>\n250A<\/td>\n5050<\/td>\n45680<\/td>\n52<\/td>\n<\/tr>\n
GFEVT500\u2011275K\u201151E<\/td>\n275A<\/td>\n6140<\/td>\n59220<\/td>\n55<\/td>\n<\/tr>\n
GFEVT500\u2011315K\u201151E<\/td>\n315A<\/td>\n7910<\/td>\n75060<\/td>\n64<\/td>\n<\/tr>\n
GFEVT500\u2011350K\u201151E<\/td>\n350A<\/td>\n10520<\/td>\n<\/td>\n68<\/td>\n<\/tr>\n
GFEVT500\u2011400K\u201151E<\/td>\n400A<\/td>\n15060<\/td>\n143820<\/td>\n72<\/td>\n<\/tr>\n
GFEVT500\u2011450K\u201151E<\/td>\n450A<\/td>\n20830<\/td>\n205160<\/td>\n78<\/td>\n<\/tr>\n
GFEVT500\u2011500K\u201151E<\/td>\n500A<\/td>\n26760<\/td>\n264150<\/td>\n87<\/td>\n<\/tr>\n
GFEVT500\u2011550K\u201151E<\/td>\n550A<\/td>\n36520<\/td>\n363150<\/td>\n92<\/td>\n<\/tr>\n
GFEVT500\u2011630K\u201151E<\/td>\n630A<\/td>\n53800<\/td>\n554220<\/td>\n100<\/td>\n<\/tr>\n
GFEVT500\u2011700K\u201151E<\/td>\n700A<\/td>\n71550<\/td>\n742770<\/td>\n102<\/td>\n<\/tr>\n
GFEVT500\u2011800K\u201151E<\/td>\n800A<\/td>\n99540<\/td>\n1035000<\/td>\n113<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Key Features & Benefits<\/h2>\n